/*
 *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
 *  <p>
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  <p>
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  <p>
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.agentsflex.core.document.parser;

import com.agentsflex.core.document.Document;
import com.agentsflex.core.document.DocumentParser;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

public class DefaultTextDocumentParser implements DocumentParser {
    @Override
    public Document parse(InputStream stream) {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int len;
            while ((len = stream.read(buffer)) != -1) {
                baos.write(buffer, 0, len);
            }
            return new Document(new String(baos.toByteArray(), StandardCharsets.UTF_8));
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
}
